Home / 2,102,511.41-2,901,031.84-1,338,286.13

Finding the Fourth Proportional to 2,102,511.41, 2,901,031.84 and 1,338,286.13

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Solution

The fourth proportional to 2,102,511.41, 2,901,031.84 and 1,338,286.13 is: 1,846,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,511.41 : 2,901,031.84 = 1,338,286.13 : x
  2. Step 2: Convert to fraction form
    2,102,511.41/2,901,031.84 = 1,338,286.13/x
  3. Step 3: Cross multiply
    2,102,511.41x = 2,901,031.84 × 1,338,286.13
  4. Step 4: Simplify right side
    2,102,511.41x = 3,882,410,674,160.38
  5. Step 5: Solve for x
    x = 3,882,410,674,160.38/2,102,511.41
  6. Step 6: Final answer
    x = 1,846,558.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.